CN102984651A - Method and system for sightseeing bus to identify scenic spots automatically - Google Patents
Method and system for sightseeing bus to identify scenic spots automatically Download PDFInfo
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- CN102984651A CN102984651A CN2012104697720A CN201210469772A CN102984651A CN 102984651 A CN102984651 A CN 102984651A CN 2012104697720 A CN2012104697720 A CN 2012104697720A CN 201210469772 A CN201210469772 A CN 201210469772A CN 102984651 A CN102984651 A CN 102984651A
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Abstract
The invention relates to a method and a system for a sightseeing bus to identify scenic spots automatically. The system comprises a wireless fidelity (WI-FI) positioning system, a sightseeing bus sub-system, a data bank and a monitoring system. System identifying steps include that an access point (AP) of a WI-FI network is deployed in a scenic area where the sightseeing bus passes by, and an active electronic tag radio frequency identification device (FRID) and a wireless video frequency player are mounted on the sightseeing bus; the AP extracts FRID signals covering the area and locates scenic position information of the sightseeing bus, and the scenic position information is uploaded to a server end of a scenic area management office; and the server end finds a corresponding wireless video frequency player according to the position of the sightseeing bus, a set instruction is sent after the scenic spot is identified, and the wireless video frequency player is started. According to the method and the system for a sightseeing bus to identify scenic spots automatically, workloads of drivers displaying videos in the prior art can be decreased, the sightseeing bus can go sightseeing according to sightseeing directions assigned by tourists randomly, and real improvements are made for the defect that FRID tags are inaccurately identified and the identification of distances within scenic spots is limited.
Description
Technical field
The present invention relates to a kind of method of automatically recognizing scenic spots by tourist car, particularly based on the method for the automatically recognizing scenic spots by tourist car of WI-FI wireless location.
Background technology
At each scenic spot, the existence of a lot of tourist coaches is arranged at present.At present, the method at tourist coach identification sight spot mainly contains: manual identified, RFID identify two kinds of methods automatically.
Manual identified: by driver or guide's manual identified.The driver introduces the sight spot and causes easily dispersion attention, and is safe not, and also higher to driver's requirement; Guide's RM, the scenic spot can not be the special guide of each tourist coach arrangement usually, increases human cost, the contained passenger of tourist coach mostly is the individual traveler in addition, also is not easy self-organization and gets up to employ the guide.Perhaps record in advance the recommended information at all sight spots, when arriving the sight spot, play by driver responsible.The method requires tourist coach to advance according to given line, has also increased driver's workload simultaneously.
The RFID method is identified automatically: at each sight spot the RFID electronic tag is installed, at tourist coach the RFID reader is installed; Setting up some sections introduces the digital voice segment of each sight spot information and this sound bite is prestored into the RFID reader.When tourist coach arrives a certain sight spot, read the information in the RFID label and play corresponding sight spot and introduce voice sheet.The method must be prestored into the voice sheet of sight spot information in the reader of each tourist coach, workload is large, changes also very trouble.Simultaneously, because the restriction of the reading/writing distance of RFID reader, the RFID electronic tag installation place that tourist coach must arrive appointment could obtain sight spot information.
Summary of the invention
For deficiency of the prior art, the present invention proposes a kind of new tourist coach sight spot automatic identifying method, utilize the WIFI navigation system automatically to locate tourist coach and sight spot information corresponding to broadcast.
Technical scheme of the present invention is as follows: a kind of method of automatically recognizing scenic spots by tourist car, and its step comprises:
1) disposes WI-FI network wireless access point AP in the zone, sight spot of tourist coach process, at described tourist coach active radio frequency identification RFID and wireless video display frequency player are installed;
2) described AP extracts RFID signal in the overlay area and locates the scenic spot positional information at this tourist coach place, described scenic spot positional information is uploaded to the server end of scenic spot administrative office;
3) described server end finds frequently player of corresponding wireless video display according to the position of described tourist coach, sends the instruction of setting after identifying the sight spot, and starting should wireless video display frequency player, and broadcast sight spot film is finished identification.
The scenic spot positional information employing TOA/TDOA(that locates this tourist coach place is poor the time of advent/time of advent) algorithm or RSSI(field intensity location) algorithm.
The WI-FI wireless network based on the 802.11b/g agreement is disposed at described scenic spot.
The WI-FI signal of the source radio frequency identification RFID of installing on the described tourist coach is operated in the 2.4GHz frequency range, and the signal transmitting range is not more than 200 meters scopes.
The frequently player support WI-FI communication of one or more wireless video display and voice, video playback are installed on the described tourist coach, and described wireless video display frequently player comprise that also one receives client.
The wireless video display of installing on the described tourist coach frequently player adopt the Android system.
The present invention also comprises a kind of automatically recognizing scenic spots by tourist car system, comprises WI-FI navigation system, tourist coach subsystem, database and supervisory control system, it is characterized in that,
Described WI-FI navigation system according to the tourist coach label position information that engine of positioning sends, is calculated the position of this tourist coach on corresponding map and mark, simultaneously according to the regional extent of setting, gives the concrete zone at outgoing label place;
Described tourist coach subsystem is responsible for registration tourist coach relevant information, distributes electronic tag and radio player, simultaneously route, the time of tourist coach trip every day is carried out record;
Described supervisory control system provides a scenic spot map that refreshes in real time, the tourist coach position in current all trips of described scenic spot map label;
Described WI-FI navigation system comprises
Active electronic label with WI-FI module and battery, can uninterruptedly be launched the WIFI signal;
Location AP adopts all the WI-FI signals in its scope of 802.11b/g agreement Real-time Obtaining, and sends signal and related data to engine of positioning;
Engine of positioning, receive the signal that location AP sends, and according to power or the signal step-out time of signal, utilize field intensity location (RSSI) or the TOA/TDOA(poor the time of advent/time of advent) location algorithm, the position that calculates label is kept in the database, sends to simultaneously server end;
Database, the data of preservation AP reception and/or tourist coach distance.
Described supervisory control system also according to set on the described tourist coach the wireless video display of WI-FI frequently player send and play voice or video file specific instruction.
Described location AP sets up one or more in the scenic spot.
Beneficial effect of the present invention
The present invention utilizes the WIFI navigation system, the automatic location of scenic spot tourist coach can be implemented in and the film of introducing sight spot information can be play, both reduced that the driver plays the workload of film and tourist coach is gone sight-seeing according to the visit direction of visitor's appointment in the prior art, on automatic identifying method,, identification inaccurate to the RFID tag recognition enter that the distance at scenic spot is restricted defective improvement has truly been arranged.
Description of drawings
Fig. 2 is TDOA algorithm positioning principle schematic diagram among method one embodiment of automatically recognizing scenic spots by tourist car of the present invention.
Fig. 1 is the method flow diagram of automatically recognizing scenic spots by tourist car of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the present embodiment is clearly and completely described, be understandable that described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those skilled in the art belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in Figure 1, be the method flow diagram of automatically recognizing scenic spots by tourist car of the present invention, step is specific as follows: the WIFI navigation system mainly is made of following part:
1. active electronic label with WIFI module and battery, can uninterruptedly be launched the WIFI signal.
2. location AP: adopt the 802.11b/g agreement, by all the WIFI signals in its scope of device discovery protocol Real-time Obtaining of 802.11 protocol suite Plays, and send signal and related data to engine of positioning.
3. engine of positioning: receive the signal that location AP sends, and according to power or the signal step-out time of signal, utilize field intensity location (RSSI) or the TOA/TDOA(poor the time of advent/time of advent) etc. location algorithm, calculate the position of label, be kept in the database, send to simultaneously application system.
4. database: preserve Various types of data
Utilize this WIFI navigation system, can further realize the automatically recognizing scenic spots by tourist car system, basic composition and the operation principle of this system are as follows:
1. dispose the WIFI wireless network based on the 802.11b/g agreement at the scenic spot, set up the AP(AP that supports the location, Access Point) device.
2. at tourist coach active electronic label and wireless audio and video player are installed.The automatically recognizing scenic spots by tourist car system utilizes the WIFI navigation system location of electronic tag to be obtained the position of tourist coach.The wireless audio and video player is connected with the automatically recognizing scenic spots by tourist car system by WIFI, accepts various instructions and the corresponding action of execution that management system sends.
3. in scenic spot administrative office, dispose the automatically recognizing scenic spots by tourist car system.The staff imports the panorama chorography in this system, and marks off the zone at each sight spot at map, distributes corresponding sight spot information for each sight spot and introduces short-movie.
4. the staff distributes an active electronic label by the automatically recognizing scenic spots by tourist car system for each tourist coach.This label and tourist coach and on radio player binding.
5. the position of automatically recognizing scenic spots by tourist car system Real Time Monitoring tourist coach, when monitoring tourist coach and enter certain sight spot, the corresponding sight spot of player plays on the notice tourist coach introduce short-movie.The method is utilized the WIFI navigation system, locates in real time the tourist coach in-position, has realized automatic identification sight spot and has play the short-movie that sight spot information is introduced.
As shown in Figure 2, be TDOA algorithm positioning principle schematic diagram among method one embodiment of automatically recognizing scenic spots by tourist car of the present invention, be the method flow diagram of automatically recognizing scenic spots by tourist car of the present invention as shown in Figure 1.
1. dispose WIFI network AP access point at the scenic spot, this AP access point support location.Employing TOA/TDOA(is poor the time of advent/time of advent in the native system) algorithm or RSSI(field intensity location) algorithm.This algorithm is a kind of wireless location technology commonly used, and positioning accuracy is high, and locating speed is fast, and antijamming capability is strong.Realize locating by transmission time delay difference (because the speed that electric wave transmits is constant, so can directly calculate range difference under certain condition) between travelling carriage transmitting terminal (being the electronic tag in the native system) and a plurality of base stations receiving terminal (AP in the native system) by measuring for algorithm.Per two base station receiving terminals obtain a measured value, form a hyperbolic fix district, solve their interface point and impose the definite position that additional conditions just can obtain mobile transmitting terminal.2. the WIFI signal of active electronic label is operated in the 2.4GHz frequency range, and the signal transmitting range can reach about 200 meters, and different according to the frequency of signal emission, battery can be worked 2～4 years, and replaceable.This label is installed in the tourist coach, and binds with tourist coach.
3. automatically recognizing scenic spots by tourist car Account Dept is deployed in scenic spot administrative office, is comprised of WIFI positioning subsystem, tourist coach subsystem, database and supervisory control system.Wherein positioning subsystem calculates its position on corresponding map and mark out according to the label position information that engine of positioning sends, and simultaneously according to the regional extent of dividing in advance, gives the concrete zone at outgoing label place; Tourist coach subsystem responsible registration tourist coach relevant information is distributed electronic tag and radio player, simultaneously the route of tourist coach trip every day, time etc. is carried out record, is convenient to administrative staff to manage inquiry; The data that the database saved system is all; Supervisory control system provides a scenic spot map that refreshes in real time, has marked the tourist coach position in current all trips on it, in case burst accident occurs, administrative staff can locate rapidly tourist coach, in time arrive the place where the accident occurred point; Supervisory control system is simultaneously also according to facilities, and the radio player on tourist coach sends specific instruction, makes it play voice or video file.
4. radio player is installed in the tourist coach, can adopt at present common on the market Android system plays device, supports WIFI communication, supports the broadcast of various types of voice and video.This terminal is general purpose terminal, only need set in advance WIFI and connect, and a command reception client software of installation and management system docking gets final product.The command reception client software is supported the terminal of sorts of systems, is responsible for reception from the instruction of management system and utilizes the ability of terminal equipment to play voice or video file.Instruction includes but not limited to: A. plays and specifies sight spot video and voice document.B. upgrade and specify sight spot video and voice document.C. download and play the background system specified file, such as emergency notice etc.Command format can be as giving a definition: " instruction code+parameter length+parameter 1=XXX; Parameter 2=XXX; ".The parameter of each instruction can be 0～a plurality of.
Claims (10)
1. the method for an automatically recognizing scenic spots by tourist car, its step comprises:
1) disposes WI-FI network wireless access point AP in the zone, sight spot of tourist coach process, at described tourist coach active radio frequency identification RFID and wireless video display frequency player are installed;
2) described AP extracts RFID signal in the overlay area and locates the scenic spot positional information at this tourist coach place, described scenic spot positional information is uploaded to the server end of scenic spot administrative office;
3) described server end finds frequently player of corresponding wireless video display according to the position of described tourist coach, sends the instruction of setting after identifying the sight spot, and starting should wireless video display frequency player, and broadcast sight spot film is finished identification.
2. the method for automatically recognizing scenic spots by tourist car as claimed in claim 1 is characterized in that, the scenic spot positional information of locating this tourist coach place adopts TOA/TDOA algorithm or RSS I algorithm.
3. the method for automatically recognizing scenic spots by tourist car as claimed in claim 1 is characterized in that, the WI-FI wireless network based on the 802.11b/g agreement is disposed at described scenic spot.
4. the method for automatically recognizing scenic spots by tourist car as claimed in claim 1 is characterized in that, the WI-FI signal of the source radio frequency identification RFID of installing on the described tourist coach is operated in the 2.4GHz frequency range, and the signal transmitting range is not more than 200 meters scopes.
5. the method for automatically recognizing scenic spots by tourist car as claimed in claim 1, it is characterized in that, the frequently player support WI-FI communication of one or more wireless video display and voice, video playback are installed on the described tourist coach, and described wireless video display frequently player comprise that also one receives client.
6. such as the method for claim 1 or 5 described automatically recognizing scenic spots by tourist car, it is characterized in that the wireless video display of installing on the described tourist coach frequently player adopt the Android system.
7. an automatically recognizing scenic spots by tourist car system comprises WI-FI navigation system, tourist coach subsystem, database and supervisory control system, it is characterized in that,
Described WI-FI navigation system according to the tourist coach label position information that engine of positioning sends, is calculated the position of this tourist coach on corresponding map and mark, simultaneously according to the regional extent of setting, gives the concrete zone at outgoing label place;
Described tourist coach subsystem is responsible for registration tourist coach relevant information, distributes electronic tag and radio player, simultaneously route, the time of tourist coach trip every day is carried out record;
Described supervisory control system provides a scenic spot map that refreshes in real time, the tourist coach position in current all trips of described scenic spot map label.
8. automatically recognizing scenic spots by tourist car as claimed in claim 7 system is characterized in that described WI-FI navigation system comprises active electronic label, with WI-FI module and battery, can uninterruptedly launch the WIFI signal;
Location AP adopts all the WI-FI signals in its scope of 802.11b/g agreement Real-time Obtaining, and sends signal and related data to engine of positioning;
Engine of positioning receives the signal that location AP sends, and according to power or the signal step-out time of signal, utilizes field intensity location or TOA/TDOA location algorithm, and the position that calculates label is kept in the database, sends to simultaneously server end;
Database, the data of preservation AP reception and/or tourist coach distance.
9. automatically recognizing scenic spots by tourist car as claimed in claim 7 system is characterized in that, described supervisory control system also according to set on the described tourist coach the wireless video display of WI-FI frequently player send and play voice or video file specific instruction.
10. automatically recognizing scenic spots by tourist car as claimed in claim 8 system is characterized in that described location AP sets up one or more in the scenic spot.
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| CN2012104697720A CN102984651A (en) | 2012-11-19 | 2012-11-19 | Method and system for sightseeing bus to identify scenic spots automatically |
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| CN2012104697720A CN102984651A (en) | 2012-11-19 | 2012-11-19 | Method and system for sightseeing bus to identify scenic spots automatically |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103309301A (en) * | 2013-05-06 | 2013-09-18 | 天津恒达文博科技有限公司 | Vehicle and boat explanation and calling management equipment |
| CN104424502A (en) * | 2013-08-23 | 2015-03-18 | 江苏怡云智慧传感科技有限公司 | Active radio frequency label combining low power consumption and wireless charging |
| CN104809419A (en) * | 2014-01-29 | 2015-07-29 | 上海崇立文化传播有限公司 | Tourist positioning system based on radio frequency identification technology |
| CN105679062A (en) * | 2016-03-18 | 2016-06-15 | 苏州益高电动车辆制造有限公司 | Scenic spot sightseeing vehicle safe operation system and working method thereof |
| CN106896341A (en) * | 2017-03-23 | 2017-06-27 | 京信通信技术(广州)有限公司 | Alignment system |
| CN107392126A (en) * | 2017-07-12 | 2017-11-24 | 西安时云软件科技有限公司 | A kind of camera system of automatic identification identity |
| CN107665717A (en) * | 2017-10-26 | 2018-02-06 | 四川云玦科技有限公司 | A kind of RFID information sensor-based system |
| CN107766763A (en) * | 2017-10-26 | 2018-03-06 | 四川云玦科技有限公司 | A kind of RFID information method for sensing |
| CN109523817A (en) * | 2018-12-14 | 2019-03-26 | 安徽中船璞华科技有限公司 | Localization voice sends broadcasting system and its method automatically |
| CN109660940A (en) * | 2018-12-29 | 2019-04-19 | 上海连尚网络科技有限公司 | A kind of method and apparatus generating information |
| CN109683495A (en) * | 2018-12-21 | 2019-04-26 | 广州励丰文化科技股份有限公司 | One kind is performed control system and method |
| CN110858952A (en) * | 2018-08-22 | 2020-03-03 | 阿里巴巴集团控股有限公司 | Positioning method, positioning base station, server and management system of electronic tag assembly |
| CN113110820A (en) * | 2021-05-11 | 2021-07-13 | 维沃软件技术有限公司 | Audio playing method, audio playing device, electronic equipment and readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145997A (en) * | 2006-09-14 | 2008-03-19 | 上海真灼电子技术有限公司 | A multi-function electronic guiding system |
| CN101477634A (en) * | 2008-12-31 | 2009-07-08 | 浙江大学宁波理工学院 | Method for automatically recognizing scenic spots by tourist car |
| CN101769747A (en) * | 2009-12-21 | 2010-07-07 | 戴文娟 | Intelligent tour conducting system and method for scenery spots |
| CN102014338A (en) * | 2010-06-04 | 2011-04-13 | 汪海 | Self-service tourism guiding method |
| CN102519453A (en) * | 2011-12-31 | 2012-06-27 | 陕西科技大学 | Scenic spot navigation positioning device on bicycle |
-
2012
- 2012-11-19 CN CN2012104697720A patent/CN102984651A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145997A (en) * | 2006-09-14 | 2008-03-19 | 上海真灼电子技术有限公司 | A multi-function electronic guiding system |
| CN101477634A (en) * | 2008-12-31 | 2009-07-08 | 浙江大学宁波理工学院 | Method for automatically recognizing scenic spots by tourist car |
| CN101769747A (en) * | 2009-12-21 | 2010-07-07 | 戴文娟 | Intelligent tour conducting system and method for scenery spots |
| CN102014338A (en) * | 2010-06-04 | 2011-04-13 | 汪海 | Self-service tourism guiding method |
| CN102519453A (en) * | 2011-12-31 | 2012-06-27 | 陕西科技大学 | Scenic spot navigation positioning device on bicycle |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103309301A (en) * | 2013-05-06 | 2013-09-18 | 天津恒达文博科技有限公司 | Vehicle and boat explanation and calling management equipment |
| CN104424502A (en) * | 2013-08-23 | 2015-03-18 | 江苏怡云智慧传感科技有限公司 | Active radio frequency label combining low power consumption and wireless charging |
| CN104809419A (en) * | 2014-01-29 | 2015-07-29 | 上海崇立文化传播有限公司 | Tourist positioning system based on radio frequency identification technology |
| CN105679062A (en) * | 2016-03-18 | 2016-06-15 | 苏州益高电动车辆制造有限公司 | Scenic spot sightseeing vehicle safe operation system and working method thereof |
| CN106896341B (en) * | 2017-03-23 | 2020-04-14 | 京信通信系统（中国）有限公司 | Positioning system |
| CN106896341A (en) * | 2017-03-23 | 2017-06-27 | 京信通信技术(广州)有限公司 | Alignment system |
| CN107392126A (en) * | 2017-07-12 | 2017-11-24 | 西安时云软件科技有限公司 | A kind of camera system of automatic identification identity |
| CN107392126B (en) * | 2017-07-12 | 2020-09-01 | 西安时云软件科技有限公司 | Camera system capable of automatically identifying identity |
| CN107665717A (en) * | 2017-10-26 | 2018-02-06 | 四川云玦科技有限公司 | A kind of RFID information sensor-based system |
| CN107766763A (en) * | 2017-10-26 | 2018-03-06 | 四川云玦科技有限公司 | A kind of RFID information method for sensing |
| CN110858952A (en) * | 2018-08-22 | 2020-03-03 | 阿里巴巴集团控股有限公司 | Positioning method, positioning base station, server and management system of electronic tag assembly |
| CN110858952B (en) * | 2018-08-22 | 2021-07-30 | 阿里巴巴集团控股有限公司 | Positioning method, positioning base station, server and management system of electronic tag assembly |
| CN109523817A (en) * | 2018-12-14 | 2019-03-26 | 安徽中船璞华科技有限公司 | Localization voice sends broadcasting system and its method automatically |
| CN109683495A (en) * | 2018-12-21 | 2019-04-26 | 广州励丰文化科技股份有限公司 | One kind is performed control system and method |
| CN109660940A (en) * | 2018-12-29 | 2019-04-19 | 上海连尚网络科技有限公司 | A kind of method and apparatus generating information |
| CN113110820A (en) * | 2021-05-11 | 2021-07-13 | 维沃软件技术有限公司 | Audio playing method, audio playing device, electronic equipment and readable storage medium |
| CN113110820B (en) * | 2021-05-11 | 2023-11-10 | 维沃软件技术有限公司 | Audio playing method, audio playing device, electronic equipment and readable storage medium |
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Application publication date: 20130320 |